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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 14048] - [PATCH] No-cache enhancement for ResourceReader component
Date Mon, 14 Nov 2005 10:36:55 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=14048


s.gianni@thebug.it changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|CLOSED                      |REOPENED
         Resolution|FIXED                       |




------- Additional Comments From s.gianni@thebug.it  2005-11-14 11:36 -------
This patch is giving some problems. The Vary header (as stated on
http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.44 ) is not used to
tell a browser not to cache a file, this happens with Microsoft explorer just
because Microsoft decided not to fully implement this header in their cache
control, and took the short path "don't cache if this header is there" (look
http://lists.over.net/pipermail/mod_gzip/2002-December/006826.html for a nice
overview)

This was good as long as the HTTP/1.1 specs were quite new and Firefox was not
there. Firefox has a different approach, caches the file, and many proxies as
well, so using the Vary header is now Microsoft ie specific and based on a
Microsoft ie bug.

IMMO the common headers should be used (Expires, Last-modified, Pragma etc..
etc..) not to be Microsoft specific and to be HTTP/1.1 compliant. I can produce
the patch if needed.

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